2.6.32-stable review patch. If anyone has any objections, please let us know.

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From: Zhao Yakui <yakui.zhao@intel.com>

commit 7c3f0a2726fed78e0e0afe3b6fc3c1f5b298e447 upstream.

There exist multiple DDC buses for the SDVO cards with multiple outputs.When we can't get the EDID by using the select DDC bus, we can try the otherpossible DDC bus to see whether the EDID can be obtained.